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Christopher Chase-Dunn Alexis Álvarez Institute for Research on World-Systems University of California, Riverside Susan Manning Sociology Hofstra University

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What is the relationship between the size of settlements and power in intergroup relations? Under what circumstances does a society with greater population density have power over adjacent societies with lower population density? Do cities and empires rise and fall together? Semiperipheral development Hierarchical city size distribution and the concentration of power